# -*- coding:utf-8 -*-
import requests
from bs4 import BeautifulSoup

resp_gyh_txt = ''
soup = BeautifulSoup(resp_gyh_txt, 'html.parser')
trs = soup.find_all('tr', attrs={'class': {"", "bg_gray"}})
for tr in trs:
    tds = tr.find_all(name='td')
